# SDR ASAA2018070525286

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 5, 2018
- Submitted: July 9, 2018
- Operation: Air carrier
- Aircraft: [N469AS](https://openairdocs.org/aircraft/N469AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41702
- Aircraft time: 15,661 hours, 5,218 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Condition: Faulted
- Location: Cabin Pressure
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018070525286

## Discrepancy

AUTO FAIL LIGHT ILLUMINATED. GROUNDED - YES. PERFORMED FIM 21-31 TASK 827. FOUND NR 1 PRESS CONTROLLER FAULT OFV LRU FAIL. NR 2 CONTROLLER TEST OKAY. NR 1 PRESSURE CONTROL SYSTEM INOP. ACCOMPLISHED FIM 21-31 TASK 827 REPAIR CONFIRMATION SUCCESSFUL. GROUND VERIFICATION SUCCESSFUL.

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